<span>After Ferguson allowed "separate but equal", Jim Crow laws, which were a system of laws meant to discriminate against African Americans, spread across the U.S.</span>
Answer:
i might be wrong but it should be B.
Explanation:
declaring war immigration
This Conference on the conservation of natural resources is in effect a meeting of the representatives of all the people of the United States called to consider the weightiest problem now before the Nation; and the occasion for the meeting lies in the fact that the natural resources of our country are in danger of exhaustion if we permit the old wasteful methods of exploiting them longer to continue.
The Louisiana Purchase helped to double the size of the country and provided control of the Mississippi River. The Louisiana Purchase was a massive land purchase by the U.S. from France under President Thomas Jefferson's administration.
The Sierra Nevada is the mountain range that is between the Central Valley depression and the Basin and Range Provice